Board Life Enhancing Admixture
MORTARD® MC is a liquid, job site-added mortar admixture, which enhances the board life and workability properties of masonry and mortar cement mortars, especially for warm to hot weather masonry construction.
MORTARD MC can extend the working time of mortar for several hours, reducing mortar waste and excessive retempering. Early age strengths are obtained with no detrimental effects to bond and shrinkage properties.
MORTARD MC extends the working time of mortar by controlling the rate of cement hydration during the first few hours after mixing. It also produces a plasticizing effect that improves workability.
MORTARD MC contains special stabilizers that improve water retention and reduce bleeding. Since the product is added at the job site, performance can be fine-tuned for a given set of materials and conditions by varying addition rates.
MORTARD MC will not decrease hardened mortar properties. It is non-chloride and non-corrosive. Application Information Addition Rates: Begin with the lowest recommended dosage and increase until the desired working time of the mortar is obtained. Avoid overdosing of
MORTARD MC since the mortar’s rate of early strength gain may be adversely affected.
Begin with the lowest recommended dosage and increase until the desired working time of the mortar is obtained.
Avoid overdosing of MORTARD MC since the mortar’s rate of early strength gain may be adversely affected.
|Ambient Temp.||Masonry Cement|
|21 ºC (70 °F)||60-150 mL/bag (2-5 fl oz/bag)|
|35 ºC (95 °F)||120-240 mL/bag) (4-8 fl oz/bag)|
MORTARD MC should be added to the mortar mixer and allowed to mix for at least 30 seconds before the final water is added. Then mix for an additional five minutes to ensure a more homogeneous mortar, and allow the plasticizing characteristics of MORTARD MC to take effect.
While MORTARD MC increases working times, the mason should still adjust the mortar’s water content when using highly absorptive masonry units. This will reduce the chance of premature drying out due to excessive moisture loss. The minimum temperature for application is 1 ºC (34 ºF).
•Increases board life
•Improves water retention
MORTARD MC is available in drums and returnable totes. Product weight for MORTARD MC is 1.21 kg/L (10.1 lbs/gal).
Health and Safety
All precautions defined on the SDS (Safety Data Sheet) for MORTARD MC must be followed.
Protect MORTARD MC from direct sunlight and freezing. MORTARD MC has a shelf life of 9 months.
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We hope the information here will be helpful. It is based on data and knowledge considered to be true and accurate, and is offered for consideration, investigation and verification by the user, but we do not warrant the results to be obtained. Please read all statements, recommendations, and suggestions in conjunction with our conditions of sale, which apply to all goods supplied by us. No statement, recommendation, or suggestion is intended for any use that would infringe any patent, copyright, or other third party right.
MORTARD is a trademark, which may be registered in the United States and/or other countries, of GCP Applied Technologies Inc. This trademark list has been compiled using available published information as of the publication date and may not accurately reflect current trademark ownership or status.
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GCP Applied Technologies Inc., 2325 Lakeview Parkway, Alpharetta, GA 30009, USA
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Last Updated: 2022-11-24